<%@ page import="java.io.*" %>
<%
        //to get the content type information from JSP Request Header
        String contentType = request.getContentType();
        //here we are checking the content type is not equal to Null and
 as well as the passed data from mulitpart/form-data is greater than or
 equal to 0
        if ((contentType != null) && (contentType.indexOf("multipart/
form-data") >= 0)) {
                DataInputStream in = new DataInputStream(request.
getInputStream());
                //we are taking the length of Content type data
                int formDataLength = request.getContentLength();
                byte dataBytes[] = new byte[formDataLength];
                int byteRead = 0;
                int totalBytesRead = 0;
                //this loop converting the uploaded file into byte code
                while (totalBytesRead < formDataLength) {
                        byteRead = in.read(dataBytes, totalBytesRead, 
formDataLength);
                        totalBytesRead += byteRead;
                        }
                                        String file = new String(dataBytes);
                //for saving the file name
                String saveFile = file.substring(file.indexOf("filename=\
"") + 10);
                saveFile = saveFile.substring(0, saveFile.indexOf("\n"));
                saveFile = saveFile.substring(saveFile.lastIndexOf("\\")
 + 1,saveFile.indexOf("\""));
                int lastIndex = contentType.lastIndexOf("=");
                String boundary = contentType.substring(lastIndex + 1,
contentType.length());
                int pos;
                //extracting the index of file 
                pos = file.indexOf("filename=\"");
                pos = file.indexOf("\n", pos) + 1;
                pos = file.indexOf("\n", pos) + 1;
                pos = file.indexOf("\n", pos) + 1;
                int boundaryLocation = file.indexOf(boundary, pos) - 4;
                int startPos = ((file.substring(0, pos)).getBytes()).length;
                int endPos = ((file.substring(0, boundaryLocation))
.getBytes()).length;
                // creating a new file with the same name and writing the 
content in new file
                FileOutputStream fileOut = new FileOutputStream(saveFile);
                fileOut.write(dataBytes, startPos, (endPos - startPos));
                fileOut.flush();
                fileOut.close();
                                %><Br><table border="2"><tr><td><b>You have successfully
 upload the file by the name of:</b>
                <% out.println(saveFile); %></td></tr></table> <%
                }
%>